commit aa0e7dad62bf078ca122bb7b91c03a74825b9433
author Alexander Afanasyev <alexander.afanasyev@ucla.edu> Mon Mar 17 14:37:33 2014 -0700
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> Tue Mar 18 16:19:53 2014 -0700
tree 3be0c32ca2f5b89c99525b2901ea61183b7131a9
parent 6e0c5a5e470795fa0f743366bfd400809ba1a001

all: Refactoring work with time using boost::chrono

Now the library has two clocks: time::steady_clock and
time::system_clock, following (boost|std)::chrono.  In addition to
standard now() method, the library contains several helpers to convert
to/from UnixTimestamp (microsecond resolution) and IsoString (optional
microsecond resolution).  The IsoString conversions use
boost::posix_time routines, since boost::chrono supports extended IO
support only starting boost version 1.52 (Boost Chrono V2).

This commit breaks compatibility with previous API.  All time-related
Data/Interest calls must explicitly use time units to specify
FreshnessPeriod/InterestLifetime.

Brief usage/conversion guide:

- creation of time units does not support double/float types.  If
  necessary to create time unit from double, ``ndn::duration<double>`` (for
  seconds) needs to be used instead.  In some cases, this would also
  require ``ndn::duration_cast``, if the target is not ``ndn::nanoseconds``.
- ndn::getNow, ndn::ndn_getNowMilliseconds, ndn::time::now are all
  removed in favor of the now() method in a specific clock:

    * time::system_clock::now();
    * time::steady_clock::now();

- When necessary to convert system_clock::TimePoint to unix timestamp,
  ``time::toUnixTimestamp`` can be used.  This method return number of
  milliseconds since UNIX epoch as ``ndn::time::milliseconds`` type.
  Use count() method to obtain number as an integral value.

Change-Id: Icd688bc6766e008d60c3d2888173627874526e47
Refs: #1152

tests/test-data.cpp

diff --git a/tests/test-data.cpp b/tests/test-data.cpp
index b5b2083..19241b5 100644
--- a/tests/test-data.cpp
+++ b/tests/test-data.cpp
@@ -118,7 +118,7 @@
 
   BOOST_REQUIRE_EQUAL(d.getName().toUri(), "/local/ndn/prefix");
   BOOST_REQUIRE_EQUAL(d.getContentType(), static_cast<uint32_t>(MetaInfo::TYPE_DEFAULT));
-  BOOST_REQUIRE_EQUAL(d.getFreshnessPeriod(), 10000);
+  BOOST_REQUIRE_EQUAL(d.getFreshnessPeriod(), time::seconds(10));
 
   BOOST_REQUIRE_EQUAL(std::string(reinterpret_cast<const char*>(d.getContent().value()), d.getContent().value_size()), "SUCCESS!");
 
@@ -143,7 +143,7 @@
   
   ndn::Data d(ndn::Name("/local/ndn/prefix"));
   d.setContentType(MetaInfo::TYPE_DEFAULT);
-  d.setFreshnessPeriod(10000);
+  d.setFreshnessPeriod(time::seconds(10));
   
   d.setContent(Content1, sizeof(Content1));
 
@@ -201,7 +201,7 @@
 {
   MetaInfo meta;
   meta.setType(MetaInfo::TYPE_DEFAULT);
-  meta.setFreshnessPeriod(10000);
+  meta.setFreshnessPeriod(time::seconds(10));
 
   BOOST_REQUIRE_NO_THROW(meta.wireEncode());
   BOOST_REQUIRE_EQUAL_COLLECTIONS(MetaInfo1, MetaInfo1+sizeof(MetaInfo1),
@@ -222,17 +222,17 @@
 {
   MetaInfo meta(Block(MetaInfo1, sizeof(MetaInfo1)));
   BOOST_CHECK_EQUAL(meta.getType(), static_cast<uint32_t>(MetaInfo::TYPE_DEFAULT));
-  BOOST_CHECK_EQUAL(meta.getFreshnessPeriod(), 10000);
+  BOOST_CHECK_EQUAL(meta.getFreshnessPeriod(), time::seconds(10));
   BOOST_CHECK_EQUAL(meta.getFinalBlockId(), name::Component());
 
   meta.wireDecode(Block(MetaInfo2, sizeof(MetaInfo2)));
   BOOST_CHECK_EQUAL(meta.getType(), static_cast<uint32_t>(MetaInfo::TYPE_DEFAULT));
-  BOOST_CHECK_EQUAL(meta.getFreshnessPeriod(), 10000);
+  BOOST_CHECK_EQUAL(meta.getFreshnessPeriod(), time::seconds(10));
   BOOST_CHECK_EQUAL(meta.getFinalBlockId(), name::Component("hello,world!"));
 
   meta.wireDecode(Block(MetaInfo3, sizeof(MetaInfo3)));
   BOOST_CHECK_EQUAL(meta.getType(), static_cast<uint32_t>(MetaInfo::TYPE_LINK));
-  BOOST_CHECK_EQUAL(meta.getFreshnessPeriod(), 10000);
+  BOOST_CHECK_EQUAL(meta.getFreshnessPeriod(), time::seconds(10));
   BOOST_CHECK_EQUAL(meta.getFinalBlockId(), name::Component("hello,world!"));
 }